Home / 21,924.52-32,886.78-18,629.80

Finding the Fourth Proportional to 21,924.52, 32,886.78 and 18,629.80

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Solution

The fourth proportional to 21,924.52, 32,886.78 and 18,629.80 is: 27,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.52 : 32,886.78 = 18,629.80 : x
  2. Step 2: Convert to fraction form
    21,924.52/32,886.78 = 18,629.80/x
  3. Step 3: Cross multiply
    21,924.52x = 32,886.78 × 18,629.80
  4. Step 4: Simplify right side
    21,924.52x = 612,674,134.04
  5. Step 5: Solve for x
    x = 612,674,134.04/21,924.52
  6. Step 6: Final answer
    x = 27,944.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.